Rotary explosive-engine.



- E. P. CARPENTER. ROTARY EXPLOSIVE ENGINE.

APPLIOATION FILED 001E 19, 1901.

Patented Sept. 15,1908.

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1 B. P. CARPENTER. ROTARY BXPLOSIVE ENGINE.

' APPLICATION riufb 001.19.1901.

, Patented sa n 15, 1908.

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EDWIN P. CARPENTER, or PAWTUCKET, snobs ons;

no-rsnv nxrnos i-vs-nnenrnif Specification of Lettera' gstent.

'letented se t. 15, 1908.

hpplicstion filed. October is, isomifs filroisliezwa. I

To all it may concern:

Be it known that I, EDWIN P. CARPENTER, a citizen of the United States, and resident 'of the city of Pewtucket, in the county of Providence, State 015 Rhode-Isl'end, have inyentedcertain new end useful 1m rovements m Rotary Explosive-Engines, 0 which the following-is s specification. l

' 'My invention relates to rotary enginesin which the motive ower is obtained by the expansive ectign o gssclene vapor in which the. imiition is eutometicelly produced by electricity, end the principal object of my invention is to provide a novel form of. engine m which a series of explosive chambers are carried by c. revoluble disk, secured on the engine-shaft, and arranged in such manner that the charge of gesolene vapor in each chamber is ignited at a. point near to and beyond the peripheral surface 0? the disk, in order that the expensive power of the actu. sting fluid will be fully utilimd.

A further object of my invention is to provide an engine of simple and economical con struction, end consists oi the novel arrange ment' and combination of arts, as hereinafter described and claim In the accompanying drawings, Figure 1 represents a top plan view 0s a rotary engine constructed in accordance with my invention. Fig. .2 is e side elevation of the engine, showing its eering arrangement. Fig. 3 is an enlarged longitudinnl sectional view of the engine, taken, in line 3.3. of Fig. 1, illustrating the position the 0 rating. parts assume at the moment of ignition charge in one of the explosive chambers, Fig. 4 is s. topFplsn sectional View, taken in line 4.4. of 1g. 1, showing an explosive chamber and compressor shaft respectively, as after the latter has forced a char e of gesolene vapor an within seid chamber, en Fig. 5 is a topp sectional view, taken in line 5.5. of big. 1,

Y showing the electric spark plug with on explosive chamber, as at the moment the gas che e has been fired.

L e reference numerals indicate like parts.

- The bed-plats 1 of the engine has integral standards 2, 2 provided with bearings 3, 3 for the ,receptionof the engine shsft 4. Be tween the bearings 3; 3 end keyed on the shaft 4, is a disk 5, one qusrter of Whose psiripherel portion is made toiit close within a recess 6 (see Fig. lformed in a curved extorsion Z integral oi the standards 2.

' a. gasolene or other actuating vapor, and; eac

In'the circular face oii the disk- 5 and four socketsS, 8, which are divided equidistent apart throu h'out the circle of the disk andin these soc ets are pivotslly mounted i explosive shells for receiving and dischargi shell is constructed as follows: Referring. to Figs. 3 and 5, 9 represents-the explosive-shell, which has one o pivoted on' a tube 1O. This tube 10 is driven through and fits snug in the side wells of the'socket 8 and has a closed -end to form a head 11, which abuts the side of the disk. The shell 9 is bored transverse of its pivot center to rovide an explosive chcrnber 12; A moveb 0 member is mounted in the shell, and said: member comprises a piston 13 to fit the chember12;

a conicel-sprine; 18 whose large end beers egeinst sshoulder 14 of a. bore 15 concentric to the chamber 12 end itssmeller end against a. shoulder formed on the piston stein 16, which passes through s cs 17 This cap 17 is provided with o. screw-t eeded portion to eng I e a. threaded portion, of the bore 15 of the snell. The s ring 18 tends to force outword the stem or the piston after the: shell hes been fired. The shell 9 is provided with en intake or discharge opening 19 communieating with the chamber 12, end said shell is also rovided with a. vent opening 20. commun1csting with said chamber 12 and refgis- 'tering with; on opening formed in the side of the tube 10.. Eech shell, constructed as de-' scribed, is mounted in like order throughout the circle of the disk, and when 'esch shell is in its respective socket its upper or expos d surface curves to conform with the circular face of the disk. The upper portion of the extension 7 of the. enginedremeterminates with an integral head 21 which is provided with a. bore 22 extending transverse of and in axial alinement with the axial center ofthe engine-shaft 4. Within this bore 22 is mounted a, compressor-shaft 23, which has 1 s. fixed stud 24 secured et its outer end por tion. On s fixed stud-shaft 25, secured in a standard 2, of the engine-frame, is loosely mounted opinion-gear .26, which meshes with eflerge car 27 keyed on the engine 1 sheft'4. On t1 e hub ofthe inion-gear 26 is made fast an eccentric 28, evin strep 29, and, connection 30 to the stud o? the comressor-sheft23. The head 21,01 the engine- 1 sine has a. hub 31 which is provided with'a smell bore therethmugh and communicating with the bore 22 of said head, as at 32-.in

formed longitudinelly thereof, is i Fig. 4. An intake pipe 3 3, from a'carbureter (not shown) connects with the bore 32 of the hub 31. 'On a standard 2' of the, en

' gins-frame is secured 'a block of micaor other suitable insulating material, as 34, and on this material is secured one end of a flat spring 35'wl1ose free end isarrunged to contact with the head 36 of the center ignition rod of a spark plug.

threade to engage thereby in a threaded opening formed throu h a boss 38 integral- 0 and concentric to t e pivot center 20jof the shell 9. e I use the ordinary make". of

spark plug, except that I provide the center ignition rod 39 to slide in its insulating tube 40, and interpose an expanding coil-spring 41 to surround said rod between the usual mica washers 42, 42, and this ditl'crence in structure is to erinit the sparking points of the .rod 39 an terminal post 46 to be brought in contact with each other, through action of spring 41 and thereby unite the electric circult. i

that is to sa plosive shells, the-firing oi the same takes place at each quarter revolution of the disk 5.

The operation of my improved rotary engine is as follows: The disk 5 revolves in the irection indicated by the arrow 43 in Fig. 3, and as the driving gears 26, 27, which are in the proportion of 4 to 1, cause the compressor-shaft 23 to be actuated upon by'the eccentric-connection 30, said shaft is carried forward from its dotted position beyond the vapor inlet 32, to its full line position shown in said fi ure, the amount of gasolene vapor which filled the chamber 22 prior to this movement, will be forced into the chamber 12 of the shell 9, and thereby causing the end of the piston-stem 16 to come in contact with the end face of the socket 8 of the shell.

45 After the aforesaid shell has received its charge of gasolene vapor it is carried below the disk 5, and to a point slightly be ondthe face of an abutment 44, integra of the engine f-rame. 'The disk 5 is provided with a coil push-sprin 45, located beneatheach shell 9, and as t e latter reaches the point beyond the abutment 44, as s ecified, the action of the splin 45 swings t e shell outwardly from its socket to an angular osition below said disk, and against a s oulder formed at the pivot-end portion of the shell, as at a oint 47 in Fig. 3. At the moment the she assumes this outward position upon the disk, as described, the head 36 of the lgnition rod 39 will be forced inwardly, by its conung in contact with the -biade135, in the manner shown in Fig. 5, thus freeing the ignition points of the rod 39 and post 46 and causing a spark firin for the vapor charge.

65 in the shell. As the earing point 16 of the Each chamber 12 is," fir'ed by a-spark plug, as shown in Fig. 5, said plu having its body portion 37 screw- ;16 of the n the structure in Fig. 3 I repre sent What IS termed a fourcycle cngine,f by the arran cnicnt of the ex piston is bcyond the peripheralsurface' of I the disk 5 at themomentof firing, the e);-

pansive force created by the exploded vapor causes .-the piston to receive a reanvarp thrust toward and against. theiabutment 44 of the engineirame; and this thrust produces a forward rotative movement of the disk 5. x i in After the shelllhas beenfired the action of. r the sprin 18 ofthe-pist'on'causes the stem;] latter toproject'from the ca 17 of; I the shell, and thus the 'ist0n'-13 wi [,havef moved .to .a point where t 1e intake 19 will be .f in open communication with the explosive chambei 12, to the position of parts as re rescnted at the left 0 Fig. 3. Then the 5 mil comes in contact with the curved surface of the extension 7 the projecting stem of the piston will strike against the upper portioir ofth'eincl-incd surface of the socket 8, as at a oint 53 at the top of Fig. 3, by this time the intake 19 will be in open communication'with ,the ehainber- 22, for the shell to receivethe compressed charged of vapor through compressor-shaft 23. After; the shell is so charged the stem 16 in movingdown the inclined surface 53 of the socket causes a closing of the intake or ort 19 by the piston of said stem, and this ast movement causes a still further compression of the vapor to be hadwithin the shell, Referring to Fig. 3, theirlera-ic current operates as follows: The spring 35, which contacts with the spark plugs,\is electrically connected with the pole of a battery 48' by a wire 49, and from the "an cry 48 a wire 50 connects with r pole of the a spark coil.51 and from saidcoil 51 a wire 52 is connec to the bed-plate 1 of the engine-frame; Therefore, by my construction and arrangement of parts, I provide means whereby the" shell receives a double compression upon its vapor charge prior to firin at each quarter revolution of the disk 5, which acts in the capacity of a balance or driving wheel, and at the same time each explosion of va or in the shell takes lace at a point where t e highest degree of e ciency and leverage is had. a

Havin described my invention, what I claim an desire to secure by Letters Patent, 1s

1 In a rotary explosive engine, the com-- bination of the engine-bed having standards provided with bearings to receivethe engineshaft, and said bed dis osing a curved grooved extension, v hich & M

"OP-Y 7 surface; a shell pivotally rnounted in each socket of the disk and provided with Amman..' u........ 0a.. mm... s

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an explosive-chamber; a spring actuated spark plugi havin a spring-actuated ignition v piston mounted in the chamber of each shell; rod; ande ectric ly controlledmeaps mount- V a gearing arrangement to impart a reciprocatmg movement to the compressor-shaft to cause each shell to be charged wit-h the actuating vapor; a spark plug mounted at the pivot oenteriof each shell, and means to ig-- nite the vapor in each shell that the thrust upon the piston by the explosion will be given 10 c to receive the engine- 6 5 a spring-actuated against theabutment of the engine-bed.

' 2. In a rotary explosive engine. the combination of the en ine-b'ed formed in one casting, having standards )rovided with bearings raft, and a curved extension terminatlng with an outwardly )rojecting head, which is provided with a bore communicating with an intake passage; a disk made fast on the. engine-shaft and having-its circular face in contact with the surface of the bed-extension, and said disk pro-c vided with a series of sockets formed in its face; explosive shells pivotally mounted in the sockets; means mounted in the disk to swing outwardlyfsaid shells; a spring-actuated piston in each shell; a shaft mounted in the head of the enginc bed; means to move last mentioned shaft whereby each shell is caused to be charged with an actuating vapor; a spark plug mounted at the pivct center of each shell and each plug having its center ignition rod slidable, and electrically controlled means mounted on the engine-bed to fol ce the rod from contact with the terminal post of each lug and thus explode the vaporl charge in t e shell and cause the piston oflthe latter to thrust against the enginebed ,ata point below its curved extension.

3. In a rotary explosive engine, the combination of the engine-frame having an extension disposing a curved bearing surface; a disk secured on the engine-shaft and having its circular face in contact with the bearing surface of the extension; ap-lura'lity of exlosive shells pivotelly mounted in the circuar face of said disk and each shell having a sprig-actuated piston; an intake chamber; means to charge each shell with an actuating vapor when it reaches said chamber; means to swing outwardly each shell to permit its piston to strike against and abutment of the enginerframe; an electrically-actuated spring )lade secured on the engine-frame; and a spark lplug mounted at the pivot center of each shel and each plug having a sprin actuated ignition rod to come in contact witi said blade and cause a spark firing for the vapor charge in the shell.

4. In a rotary ex losive engine, the combi nation of a rotata le disk provided with a series of sockets'arranged'in its circular face; a tube secured through the walls of each socket; an explosive shell mounted on the tube of each socket; means to automatically charge each shell with an actuating va or; piston in each she a end of said s 18H; a piston movable in the ed on the engine-frame for the'head of saidrod to come in contact with and cause a. spark firing for the charge in the shell.

' 5. In a rotary explosive engine, the com bination of the en inc-frame havin a curved body portion whic terminates with an abutment atone end and an intake'chamber at the other portion thereof; a disk having its peripheral surface in-contact with the curved portion-of the engine-frame; a plurality of shells pivotally mounted inthe peripheral surface of said disk; a spring-actuated oiston movable in the explosive chamber of each shell; means to automatically-charge each shell with an actuating vapor at the moment the shell arrives at the intake chamber; an electrically charged s ring blade secured on the engine-frame; an a spark plug for each shell and each pin to contact with said blade,

whereby the exp osion of vapor takes place the moment the shell leaves the curved portion of the engine-frame, and permits its piston to strike against the abutment of the latter.

6. In a rotary explosive engine, the combination of the engine-frame havi a curved extension integral with a head which is provided with an intake-chamber; an intake pipe communicating with said chamber; a rotatable disk mounted on the en ine shaft and having its face in contact with tr e curved portion of the engine-frame; a shell pivoted on the disk and provided with'an explosive chamber and also an inlet from said chamber to-communicate with the intake-chamber; a piston mounted in the chamber of said shell; a compressor-shaft in the intake chamber; means to move said shaft and-10 thereby charge the shell with an actuatingvapor. g

75111 a rotary explosive engine, the combination of the engine-frame Having an abut- I ment; an electrically controlled spring blade 110 mounted on said frame; a disk rotatably mounted on the engine-shaft and rovided with a socket formed in its periphera surface; a tube secured through the walls of the socket and provided with a vent; a shell pivoted on said tube and provided with'an explosive chamber which communicates w th the vent of said tube, and also provided with a discharge opening; a cap secured on the chamber of said shell'end having an integral stem projecting through said cap to strike against the abutment .of engine-frame; means to force the stem of said piston from said cap; a push spring mounted in the disk to bear against said shell; a spring-actuated spark plug mounted on said d and arranged to come in contact with said blade whereby a spark firing is obtained in the 4 -i ceases 8. In combination, the herein described abutment of engine-frame; electrically conrotary explosive. engine, comprising a rotatrolled means for s ark firing the charge in table disk whose face is in contact with a each shell after t e iston in the latter curved portion of the engine-frame; apluralstrikes the abutment o the engineirame. l5

5 ity of shells pivotally mounted in the periph- In testimony whereof I allix my signature X will portioln of said disk and each shell proin presence of two Witnesses.

.'l( er wit an explosive chamber; a s IRIW- 1 actuated piston movable in the chem er (if EDWIN CARPENTER each shell; means to doubly compress a vapor Witnesses: w charge in each shell; means to cause the pis- JAMES BRIGHTMAN,

ton of each shell to come into contact with the V C. T. HANNIGAN. 

